const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');

module.exports = {
    devtool: 'eval-source-map',
    entry: __dirname + "/app/main.js", //已多次提及的唯一入口文件
    output: {
        path: __dirname + "/build" //打包后的文件存放的地方
            //filename: "bundle-[hash].js" //打包后输出文件的文件名
    },
    devServer: {
        contentBase: "./public", //本地服务器所加载的页面所在的目录
        historyApiFallback: true, //不跳转
        inline: true //实时刷新
    },
    module: {
        rules: [{
                test: /(\.jsx|\.js)$/,
                use: {
                    loader: "babel-loader",
                    options: {
                        presets: [
                            "env", "react"
                        ]
                    }
                },
                exclude: /node_modules/
            },
            {
                test: /\.css$/,
                use: [{
                    loader: "style-loader"
                }, {
                    loader: "css-loader",
                    options: {
                        modules: true
                    }
                }, {
                    loader: "postcss-loader"
                }]
            },
            {
                test: /\.(png|jpg|gif)$/,
                use: [{
                    loader: 'file-loader',
                    options: {}
                }]
            },
            {
                test: /\.(png|jpg|gif)$/,
                use: [{
                    loader: 'url-loader',
                    options: {
                        limit: 8192
                    }
                }]
            }
        ]
    },
    plugins: [
        new webpack.BannerPlugin('版权所有，翻版必究'),
        new HtmlWebpackPlugin({
            template: __dirname + "/app/index.tmpl.html" //new 一个这个插件的实例，并传入相关的参数
        })
        //new webpack.optimize.UglifyJsPlugin()
    ],
}